public class ex35 {
  public static void main(String args[]){
  int [] a={10,20,30,40},b[]={{1,2},{4,5,6,7}};
  b[0] =a;
  b[0][1]=b[1][3];
  System.out.println(b[0][3]);
  System.out.println(a[1]);
  }
}
